Here you are
(Original)Net Asset: 300+700+600=1600
(Now) Total Assets: 700+1000+1300+300=3300
Debt: 3300-1600=1700
Debt ratio: 1700/3300~50%
(Original)Net Asset: 300+700+600=1600
(Now) Total Assets: 700+1000+1300+300=3300
Debt: 3300-1600=1700
Debt ratio: 1700/3300~50%